Analysis
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max time kernel
26s -
max time network
104s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
11-05-2021 12:04
Static task
static1
Behavioral task
behavioral1
Sample
208a5524_by_Libranalysis.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
208a5524_by_Libranalysis.dll
-
Size
162KB
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MD5
208a55243ca78ac6e31f2f22f2e40fce
-
SHA1
23ca0f5dfe499ea2f265ba32762d17a9f2416d0e
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SHA256
d27baeec8116170aa2471d1eac8bf30447841d953a83b3478e6b610757ff5c72
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SHA512
1c5ee0c318ba1c5f1b6d0427b30d1ef9a8eaf62fa5876971f23088f7b8a3dc814876054cffedf757e43357ee7567061b228864f33997e6bd7935e59d408d2a0c
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1640-62-0x00000000754B0000-0x00000000754DE000-memory.dmp dridex_ldr -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 2004 wrote to memory of 1640 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1640 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1640 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1640 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1640 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1640 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1640 2004 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\208a5524_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\208a5524_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1640-60-0x0000000000000000-mapping.dmp
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memory/1640-61-0x00000000765F1000-0x00000000765F3000-memory.dmpFilesize
8KB
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memory/1640-62-0x00000000754B0000-0x00000000754DE000-memory.dmpFilesize
184KB
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memory/1640-64-0x0000000000120000-0x0000000000126000-memory.dmpFilesize
24KB